. >> reporter: or when you call the bank. >> welcome to bank of america. for service in english, press 1. >> i try and remember that they want somebody who's personal, who doesn't sound like a computer. >> reporter: the best way to do that, she says, simply smile. >> okay, train status. let's get started. >> reporter: see the difference? she gave me a quick lesson. >> hi, i'm jeremy, amtrak's automated agent. >> okay, that was kind of flat. you want to be like, hi! i'm jeremy! like you want to talk to me! >> hi, i'm jeremy, amtrak's automated agent! >> a little too much. >> reporter: guess we can't all be pros. >> it's all about smiling, i didn't know that. >> you're pretty good, though, i like your voice. >> thank you, wow. a rare compliment from vinita nair. >> it's monday, i'm tired. >> clearly they're savvy to this, voice mail systems. you can call and leave a message. if you don't like it you can redo it. like they'll say, are you happy with your message? >> i have to say i do actively try and sound like i have a higher voice. like i'm more attractive, more spunky. >> more happy. >>> when